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FILE - In this Thursday, Jan. 10, 2013, file photo Trader Jonathan Corpina, right, works on the floor of the New York Stock Exchange. Stocks are opening lower on Wall Street Wednesday, Jan. 16, 2013, after the World Bank said that ongoing budget fights in Washington pose a significant risk to the global economy. (AP Photo/Richard Drew, file)

FILE - In this Thursday, Jan. 10, 2013, file photo Trader Jonathan Corpina, right, works on the floor of the New York Stock Exchange. Stocks are opening lower on Wall Street Wednesday, Jan. 16, 2013, after the World Bank said that ongoing budget fights in Washington pose a significant risk to the global economy. (AP Photo/Richard Drew, file)